package com.neu.af.dataFilter.service.piservice;

import java.util.List;

public interface PiRead {
    public void test();
    boolean Connect(String hostName, String uid, String pwd, int piPort);
    String GetData(String tagName, String starttime, String separator);
    public boolean close();
    public String getHistoryDataFromPI(String tagName, String startTime,String separator);
    public String getMultiHistoryDataFromPI(String tagName,String starttime,String separator);
    public String getDescriptorFromPI(String tagNames, String seperator);
    public String getSnapShotDataFromPI(String tagNames, String seperator);
}
